Production processes in the Research Institute DC (y
Leningrad), in the Nikitsky botanical garden (y
Yalta) for Penza watch factory, farm them in the pastures.
Kuibyshev (Tajikistan).
The first review of the regional amateur art groups in
Kaunas (Lithuania).
May Day demonstrations in the cities of Tirana, Vienna.
Key words
Physics.
Botany.
Manufacture of domestic appliances.
Livestock.
Amateur Art.
Public holidays.